Safety-razor-blade sharpener.



W. T. MILLER.

SAFETY' RAZOR BLADE SHABPENER. APPLlc/mou FILED Ams. |916.

Patented J an. 28, 1919.

INVENTGR 'ATTORNEY WILLIAM THOMAS MILLER, 0F FRESNO, CALIFORNIA.

SAFETY-monsters: sHARrENEiL Specification of Letters Patent.

Patented Jan. 28, 1919.

Application med April s, 191e. serial No. 90,010.

il; ad 'whom z't may concern Be it known that I. WILLIAM THOMAS MILLER,a citizen of the United States, residing at Fresno,inxthe county ofFresno and State of California, have invented certain new Improvementsin Safety-Razor- Blade Sharpeners, of which the following is aspecification.

This invention relates to a simple and efiicient apparatus forsharpening safety razor blades and has for its object to provide in sucha machine an article 'of few parts readily portable and of an economicalconstructlon and novel design by means of which safety razor blades maybe quickly and eas'ly sharpened to a desired keenness for sh ving. l

With this end in View the apparatus consists of the novel combinationand arrangement of arts hereinafter described and pointed out in theappended claims, reference being had to the accompanying draw,

ings, in which: A

Figure l is a front elevation of the apparatus mounted on a support andready for use.

Fig. 2 is a vertical central sectional v1ew of the same, and,

' face u on which is"niounted Fi .B is a plan of the sharpening disk.

Reerring to the drawing by numerals, 10 indicates the sharpening diskmade in the present instance of two sheets'of leather 1l andl12 ofcircular form and ofpdiii'erent diameters and qualities. The lowerlarger sheet or disk l1, made of a size most suitable and convenient, ispreferably a leather having a coarse and somewhat rough sura secondsheet a tine grain and con- 12 ma e of leather with 1l, its

centrically disposed, upon the diskJ edge 13 being beveledas shown andspaced from the outer edge 14`of the disk 11 to provide a surface 1'5for first acting on the razor blades to giv them a rough sharpening,after which the blades are brought to a keen cutting edge upon the uppersurface 16 of lthe disk 12."

The sharpening disk 10 may be rotated veniently used is illustrated inthe drawing' and as there shown an upright frame 17 is 55 screwed orbolted to a support such las a bench or table 18 and in a bearing 19formed with said frame 17 is a shaft 20 fixed in said bearlng andprojecting horizontally from the front thereof.' Upon the shaftispmount- 80 edto rotate a beveled gear wheel 21 which may be turned bya handle 22 thereon, said gear wheel meshing -with a small. beveledpinlon 23 on the lower end of a vertical shaft 24 turning in a bearing25 on the top 65 of the frame 17. The upper end of the shaft 24 isthreaded and screwed thereon is a metal plate 26 suflicientlylarge toproperly support and uphold the polishing Vdisk 10 which 1s placed uponsaid shaft 24 passing through the central hole therein and secured inplace by a nut 27 andwasher 28 that presses down upon the top or section12 of thesharpening disk. In use, the razor blade is secured in'a suit-75 able holder and held first upon the surface 15of the coarse leatherdisk ll'with one hand while the other hand rotates the gear wheel 21`and the sharpening disk. lhe blade holder being held at a properang-loto the blade will be roughly sharpened andL when this disk 11 hasbrought the blade to a suitable condition the same is transferred to thedisk 12 of fine leather where it is given its final whetting andpolishing and brought to the desired keenness forshaving.

1. A tool sharpening machine comprising an upright rotatable shaft, adisk clamped at its center on said shaft and 'formed of 90 two superposed concentric sheets of leather of different qualities and diameters,disk being'unsupported at lts edge to permit of flexion ofthe workingportion under pressure of the to'ol being sharpened.

2. A tool sharpening machine comprising plate, the end of the 7Q Y shaftbelow the disk and of smaller diamemem-m an upright otuabe shaft, a;disk mounted edges of the latter are permitted to e at its center onsaid shaft and formed of a under pressure. 10 lower'sheet of exbleSelfsus1ainng learherl In testimony whereof I 'have aixed my unsupportedat its edge anda smaller sheet. signature in the presence of twoWitnesses. of ner eather mounted concentrically upon WLLAM THOMASMILLER. the lowex' sheet, and' e meta, plate on the Witnesses:

ERNEST KLETTEW ter than either leahe.' sheet, whereby the D. SORENSEN.

